If the parent you are leaving was assigned by a judge to take care of you then yes. If not and both parents are assigned to take care of you, you are free to go.
In many places, it is not illegal for an underage person to live with an adult who is not their parent, as long as there is appropriate caregiver supervision and support. However, laws vary by jurisdiction, and it is essential to ensure the living arrangement complies with local regulations to avoid any legal issues.
It's not illegal. It may or may not be a good idea.
No. It's illegal to harbor a runaway so your parent would get into trouble.
File an injunction ordering the child be returned. But, be prepared for a false allegation, which is common in these cases.
With the permission of the residential parent? Yes. see related question.
not if you have consent from the legal parent.
immigrant
No. A single parent can live with whoever they want as long as that person is not harmful to the child.
Not to live alone. But, to live with another parent, yes.
As soon as your reach 10 years of age, you can legally choose which parent you live with, as long as they have not done anything illegal, and they have a suitable home.
Immigrant
NO